Here is the full list of all 103 Forager achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Collect every accessory
Find every secret room
Find 3 secret rooms
Learn every skill
Open all big treasure chests
Complete every NPC quest
Help the Fox
Perform a challenging blood ritual
Die 10 times
Have 100 poop in your inventory
Bottle 100 critters
Eat a gem
Complete every museum bundle
Collect every seal
Complete the museum Archaeology bundle
Have 1,000,000 coins
Use a bottled rainbow
Shoot 100 arrows
Water 100 seeds
Plant 100 seeds
Have 100,000 coins
Complete the museum Cooking bundle
Craft 2,000 coins
Complete the museum Building bundle
Win the jackpot at a slot machine
Dig up an archaeology item
Complete the museum Farming bundle
Buy every land
Solve the Fire Galaxy puzzle
Complete the Fire Temple
Talk to every NPC
Complete the museum Mining bundle
Complete the museum Alchemy bundle
Collect every artifact
Help the Wizard
Complete the Ancient Tomb
Complete a dungeon without taking damage
Have 3 bombs active at once
Win the ice wizard challenge
Complete the museum Foraging bundle
Solve the Skull Galaxy puzzle
Help the Old Man
Help the Ghost
Open 20 big treasure chests
Complete the museum Trapping bundle
Help the Engineer
Craft 10,000 items
Help the Princess
Help the Goblin
Have 10 max health
Complete the Crystal Cave
Open a skull chest
Complete the Skull Maze
Activate a droid
Fail miserably at a trivia minigame
Kill an enemy with a single arrow shot
Own 10 lands and 5,000 coins
Kill 3 enemies or more with a single sword slash
Dodge a lethal attack
Solve the Frozen Galaxy puzzle
Mine the giant crystal
Kill a magic deer
Solve the Ancient Galaxy puzzle
Have 5,000 items in your inventory
Destroy 100 gravestones
Dig up 50 items
Build 20 structures
Play the game for 3 hours
Gather royal steel or royal clothing
Help the Druid
Dodge 10 attacks
Help the Fairy Queen
Have one of each gem in your inventory
Craft 500 furnace items
Kill 100 enemies
Catch 50 fish
Have 1,000 items in your inventory
Have 100 jelly in your inventory
Own 5 lands
Kill all giant beets
Build 200 structures
Build on top of every water tile
Collect every tool and weapon
Achieve every other feat
Reach Void level 5
Reach Void level 10
Reach Void level 20
Reach Void level 30
Light all torches in the Skull Maze
Get a Void gear item
Get a Cosmic gear item
Obtain a sigil
Defeat the Slime King
Defeat the Skeleton King
Defeat the Dark Beet
Make 1 million coins using banks
Upgrade all rods
Have 1,000,000,000 coins
Have 1,000,000,000,000 coins
Defeat the Toxic Guardian
Obtain a Nuclear tier item
Upgrade a structure to use nuclear power
Own 100 nuclear structures at once